How much does it weigh? Student activity Play

How much more could it contain? How much less? Student activity Play

How much/many has he got? Student activity Play

How much/many has he got? Whiteboard exercise Play

Hundreds, tens and units Animation Play

Hydrogen bromide addition to propene Animation Play

Important molecules Slideshow Play

In Antarctica and in the desert Whiteboard exercise Play

Industrial production of enzymes Animation Play

Industrial uses of bacteria Class activity Play

Industrial uses of bacteria Whiteboard presentation Play

Industrial uses of enzymes Class activity Play

Industrial uses of enzymes Whiteboard presentation Play

Industrial uses of enzymes Illustration Play

Interesting fact Animation Play

Interesting facts about the calendar Student activity Play

Interesting facts about the calendar Whiteboard exercise Play

Irrational numbers – addition and subtraction Whiteboard exercise Play

Lenna's shopping Whiteboard exercise Play

Liver and pancreas Animation Play

Long addition Animation Play

Long addition and subtraction Animation Play

Lorry Simulation Play

Louis Pasteur's experiment Student activity Play

Lowering of activation energy Student activity Play